Abstract
This paper investigates the effect of post–treatment by a newly–developed elastic abrasive jet machining (EAJM) method on the TiAlN coated tools. It employs the self–developed multi–element polymer beads as abrasives in air jet machining. The results indicate that post–treatment with EAJM can prominently improve the coating properties. Additionally, the wear resistance is improved as the tool wear is reduced up to 19%. While the wear resistance can be improved with increasing EAJM parameters, it can be diminished if the EAJM parameters exceed a proper range. Statistical analysis shows that the effect of EAJM on tool performance depends on the product of jetting time and pressure. The proper selection should range from 0.56 × 104 kPa·s to 2.96 × 104 kPa·s.
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